The Elsie Medium Tight Top mattress by Sealy Essentials features the CleanProtect™ fabric that helps prevent thr growth of micro-organisms on the mattress surface, the SealyLoft™ Quilt with MoistureWicking Fibers to help keep you dry and comfortable, a layer of CertiPUR-US™ SealySupport™ HD Foam that's pre-compressed for consistent, PostureTouch® Pocket Cols that minimize disturbance by responding independently to your touch, and the EssentialEdge™ Coil Support to give you more space to sleep.